Marsh Instruments Severe Service Liquid Filled Gauges are designed to perform in rugged and harsh environmental conditions, especially where pulsation or vibration is present. Liquid Filled Gauges offer a significant cushioning and dampening effect, reducing pointer flutter and lubricating the internals.

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Variations: J6405R, J6405RP, J6405RPI, J6405RE, J6405RPE, J6405RPIE, J6405RL1, J6405RPL1, J6405RPIL1, J6405RL2, J6405RPL2, J6405RPIL2, J6405RL3, J6405RPL3, J6405RPIL3, J6405RL4, J6405RPL4, J6405RPIL4, J6405RW1, J6405RPW1, J6405RPIW1, J6405RW2, J6405RPW2, J6405RPIW2, J6405RW4, J6405RPW4, J6405RPIW4, J6410R, J6410RP, J6410RPI, J6410RE, J6410RPE, J6410RPIE, J6410RL1, J6410RPL1, J6410RPIL1, J6410RL2, J6410RPL2, J6410RPIL2, J6410RL3, J6410RPL3, J6410RPIL3, J6410RL4, J6410RPL4, J6410RPIL4, J6410RW1, J6410RPW1, J6410RPIW1, J6410RW2, J6410RPW2, J6410RPIW2, J6410RW4, J6410RPW4, J6410RPIW4, J6412R, J6412RP, J6412RPI, J6412RE, J6412RPE, J6412RPIE, J6412RL1, J6412RPL1, J6412RPIL1, J6412RL2, J6412RPL2, J6412RPIL2, J6412RL3, J6412RPL3, J6412RPIL3, J6412RL4, J6412RPL4, J6412RPIL4, J6412RW1, J6412RPW1, J6412RPIW1, J6412RW2, J6412RPW2, J6412RPIW2, J6412RW4, J6412RPW4, J6412RPIW4, J6414R, J6414RP, J6414RPI, J6414RE, J6414RPE, J6414RPIE, J6414RL1, J6414RPL1, J6414RPIL1, J6414RL2, J6414RPL2, J6414RPIL2, J6414RL3, J6414RPL3, J6414RPIL3, J6414RL4, J6414RPL4, J6414RPIL4, J6414RW1, J6414RPW1, J6414RPIW1, J6414RW2, J6414RPW2, J6414RPIW2, J6414RW4, J6414RPW4, J6414RPIW4, J6416R, J6416RP, J6416RPI, J6416RE, J6416RPE, J6416RPIE, J6416RL1, J6416RPL1, J6416RPIL1, J6416RL2, J6416RPL2, J6416RPIL2, J6416RL3, J6416RPL3, J6416RPIL3, J6416RL4, J6416RPL4, J6416RPIL4, J6416RW1, J6416RPW1, J6416RPIW1, J6416RW2, J6416RPW2, J6416RPIW2, J6416RW4, J6416RPW4, J6416RPIW4, J6420R, J6420RP, J6420RPI, J6420RE, J6420RPE, J6420RPIE, J6420RL1, J6420RPL1, J6420RPIL1, J6420RL2, J6420RPL2, J6420RPIL2, J6420RL3, J6420RPL3, J6420RPIL3, J6420RL4, J6420RPL4, J6420RPIL4, J6420RW1, J6420RPW1, J6420RPIW1, J6420RW2, J6420RPW2, J6420RPIW2, J6420RW4, J6420RPW4, J6420RPIW4, J6424R, J6424RP, J6424RPI, J6424RE, J6424RPE, J6424RPIE, J6424RL1, J6424RPL1, J6424RPIL1, J6424RL2, J6424RPL2, J6424RPIL2, J6424RL3, J6424RPL3, J6424RPIL3, J6424RL4, J6424RPL4, J6424RPIL4, J6424RW1, J6424RPW1, J6424RPIW1, J6424RW2, J6424RPW2, J6424RPIW2, J6424RW4, J6424RPW4, J6424RPIW4, J6426R, J6426RP, J6426RPI, J6426RE, J6426RPE, J6426RPIE, J6426RL1, J6426RPL1, J6426RPIL1, J6426RL2, J6426RPL2, J6426RPIL2, J6426RL3, J6426RPL3, J6426RPIL3, J6426RL4, J6426RPL4, J6426RPIL4, J6426RW1, J6426RPW1, J6426RPIW1, J6426RW2, J6426RPW2, J6426RPIW2, J6426RW4, J6426RPW4, J6426RPIW4, J6440R, J6440RP, J6440RPI, J6440RE, J6440RPE, J6440RPIE, J6440RL1, J6440RPL1, J6440RPIL1, J6440RL2, J6440RPL2, J6440RPIL2, J6440RL3, J6440RPL3, J6440RPIL3, J6440RL4, J6440RPL4, J6440RPIL4, J6440RW1, J6440RPW1, J6440RPIW1, J6440RW2, J6440RPW2, J6440RPIW2, J6440RW4, J6440RPW4, J6440RPIW4, J6442R, J6442RP, J6442RPI, J6442RE, J6442RPE, J6442RPIE, J6442RL1, J6442RPL1, J6442RPIL1, J6442RL2, J6442RPL2, J6442RPIL2, J6442RL3, J6442RPL3, J6442RPIL3, J6442RL4, J6442RPL4, J6442RPIL4, J6442RW1, J6442RPW1, J6442RPIW1, J6442RW2, J6442RPW2, J6442RPIW2, J6442RW4, J6442RPW4, J6442RPIW4, J6446R, J6446RP, J6446RPI, J6446RE, J6446RPE, J6446RPIE, J6446RL1, J6446RPL1, J6446RPIL1, J6446RL2, J6446RPL2, J6446RPIL2, J6446RL3, J6446RPL3, J6446RPIL3, J6446RL4, J6446RPL4, J6446RPIL4, J6446RW1, J6446RPW1, J6446RPIW1, J6446RW2, J6446RPW2, J6446RPIW2, J6446RW4, J6446RPW4, J6446RPIW4, J6448R, J6448RP, J6448RPI, J6448RE, J6448RPE, J6448RPIE, J6448RL1, J6448RPL1, J6448RPIL1, J6448RL2, J6448RPL2, J6448RPIL2, J6448RL3, J6448RPL3, J6448RPIL3, J6448RL4, J6448RPL4, J6448RPIL4, J6448RW1, J6448RPW1, J6448RPIW1, J6448RW2, J6448RPW2, J6448RPIW2, J6448RW4, J6448RPW4, J6448RPIW4, J6452R, J6452RP, J6452RPI, J6452RE, J6452RPE, J6452RPIE, J6452RL1, J6452RPL1, J6452RPIL1, J6452RL2, J6452RPL2, J6452RPIL2, J6452RL3, J6452RPL3, J6452RPIL3, J6452RL4, J6452RPL4, J6452RPIL4, J6452RW1, J6452RPW1, J6452RPIW1, J6452RW2, J6452RPW2, J6452RPIW2, J6452RW4, J6452RPW4, J6452RPIW4, J6454R, J6454RP, J6454RPI, J6454RE, J6454RPE, J6454RPIE, J6454RL1, J6454RPL1, J6454RPIL1, J6454RL2, J6454RPL2, J6454RPIL2, J6454RL3, J6454RPL3, J6454RPIL3, J6454RL4, J6454RPL4, J6454RPIL4, J6454RW1, J6454RPW1, J6454RPIW1, J6454RW2, J6454RPW2, J6454RPIW2, J6454RW4, J6454RPW4, J6454RPIW4, J6458R, J6458RP, J6458RPI, J6458RE, J6458RPE, J6458RPIE, J6458RL1, J6458RPL1, J6458RPIL1, J6458RL2, J6458RPL2, J6458RPIL2, J6458RL3, J6458RPL3, J6458RPIL3, J6458RL4, J6458RPL4, J6458RPIL4, J6458RW1, J6458RPW1, J6458RPIW1, J6458RW2, J6458RPW2, J6458RPIW2, J6458RW4, J6458RPW4, J6458RPIW4, J6460R, J6460RP, J6460RPI, J6460RE, J6460RPE, J6460RPIE, J6460RL1, J6460RPL1, J6460RPIL1, J6460RL2, J6460RPL2, J6460RPIL2, J6460RL3, J6460RPL3, J6460RPIL3, J6460RL4, J6460RPL4, J6460RPIL4, J6460RW1, J6460RPW1, J6460RPIW1, J6460RW2, J6460RPW2, J6460RPIW2, J6460RW4, J6460RPW4, J6460RPIW4, J6464R, J6464RP, J6464RPI, J6464RE, J6464RPE, J6464RPIE, J6464RL1, J6464RPL1, J6464RPIL1, J6464RL2, J6464RPL2, J6464RPIL2, J6464RL3, J6464RPL3, J6464RPIL3, J6464RL4, J6464RPL4, J6464RPIL4, J6464RW1, J6464RPW1, J6464RPIW1, J6464RW2, J6464RPW2, J6464RPIW2, J6464RW4, J6464RPW4, J6464RPIW4, J6472R, J6472RP, J6472RPI, J6472RE, J6472RPE, J6472RPIE, J6472RL1, J6472RPL1, J6472RPIL1, J6472RL2, J6472RPL2, J6472RPIL2, J6472RL3, J6472RPL3, J6472RPIL3, J6472RL4, J6472RPL4, J6472RPIL4, J6472RW1, J6472RPW1, J6472RPIW1, J6472RW2, J6472RPW2, J6472RPIW2, J6472RW4, J6472RPW4, J6472RPIW4, J6474R, J6474RP, J6474RPI, J6474RE, J6474RPE, J6474RPIE, J6474RL1, J6474RPL1, J6474RPIL1, J6474RL2, J6474RPL2, J6474RPIL2, J6474RL3, J6474RPL3, J6474RPIL3, J6474RL4, J6474RPL4, J6474RPIL4, J6474RW1, J6474RPW1, J6474RPIW1, J6474RW2, J6474RPW2, J6474RPIW2, J6474RW4, J6474RPW4, J6474RPIW4, J6476R, J6476RP, J6476RPI, J6476RE, J6476RPE, J6476RPIE, J6476RL1, J6476RPL1, J6476RPIL1, J6476RL2, J6476RPL2, J6476RPIL2, J6476RL3, J6476RPL3, J6476RPIL3, J6476RL4, J6476RPL4, J6476RPIL4, J6476RW1, J6476RPW1, J6476RPIW1, J6476RW2, J6476RPW2, J6476RPIW2, J6476RW4, J6476RPW4, J6476RPIW4, J6478R, J6478RP, J6478RPI, J6478RE, J6478RPE, J6478RPIE, J6478RL1, J6478RPL1, J6478RPIL1, J6478RL2, J6478RPL2, J6478RPIL2, J6478RL3, J6478RPL3, J6478RPIL3, J6478RL4, J6478RPL4, J6478RPIL4, J6478RW1, J6478RPW1, J6478RPIW1, J6478RW2, J6478RPW2, J6478RPIW2, J6478RW4, J6478RPW4, J6478RPIW4, J6482R, J6482RP, J6482RPI, J6482RE, J6482RPE, J6482RPIE, J6482RL1, J6482RPL1, J6482RPIL1, J6482RL2, J6482RPL2, J6482RPIL2, J6482RL3, J6482RPL3, J6482RPIL3, J6482RL4, J6482RPL4, J6482RPIL4, J6482RW1, J6482RPW1, J6482RPIW1, J6482RW2, J6482RPW2, J6482RPIW2, J6482RW4, J6482RPW4, J6482RPIW4, J6484R, J6484RP, J6484RPI, J6484RE, J6484RPE, J6484RPIE, J6484RL1, J6484RPL1, J6484RPIL1, J6484RL2, J6484RPL2, J6484RPIL2, J6484RL3, J6484RPL3, J6484RPIL3, J6484RL4, J6484RPL4, J6484RPIL4, J6484RW1, J6484RPW1, J6484RPIW1, J6484RW2, J6484RPW2, J6484RPIW2, J6484RW4, J6484RPW4, J6484RPIW4, J6490R, J6490RP, J6490RPI, J6490RE, J6490RPE, J6490RPIE, J6490RL1, J6490RPL1, J6490RPIL1, J6490RL2, J6490RPL2, J6490RPIL2, J6490RL3, J6490RPL3, J6490RPIL3, J6490RL4, J6490RPL4, J6490RPIL4, J6490RW1, J6490RPW1, J6490RPIW1, J6490RW2, J6490RPW2, J6490RPIW2, J6490RW4, J6490RPW4, J6490RPIW4